7.2. Turning On
• To turn the device on, press the power button
• The concentrator will chirp and the green, yellow, and red LEDs will flash once, while the
screen displays the device name.
Red LED - indicates a warning danger and/or a need for urgent action
Yellow LED - indicates caution or attention required
Flashing green LED - indicates oxygen is being delivered.
IMPORTANT: No adjustments can be made until the startup sequence is completed.
7.3. Choosing a Preferred Language
• While the device is on, hold down the plus
mately four seconds until it says "Language:".
• Next cycle through the available languages using the plus
• When the desired language is shown, press the battery button
change the language and go back to the normal flow screen.
7.4. Adjusting Setting
IMPORTANT: After powering on Zen-O lite™, the startup sequence will take approximately 35 sec-
onds. Specified oxygen level will be reached within 2 minutes of use.
• The device starts working in the previous setting.
• The device will deliver a pulse of oxygen at the beginning of each of your inhalation.
• Pulse mode of operation can be adjusted from 1.0 to 5.0 in 0.5 increments with the
buttons.
IMPORTANT: If an air leak is suspected, leaks can be detected with a solution of soap and water
applied to the cannula-concentrator connection point and looking for bubbles.
The current setting and power source (external power or battery; battery icon also shows
approximate level of charge remaining) are shown on the display screen as shown in Fig. 7.
Zen-O lite™ operating
on battery power.
.
and mute
buttons together for approxi-
Fig. 7
15/292
or minus
buttons.
to select. The device will
Zen-O lite™ running
on external power.
EN
and